Java压缩rar文件

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
import work.tyl.common.CopyUtils;

public class TestTrueZip {

 public static void main(String[] args) throws Exception {
  String needtozipfilepath = "E:\\test\\";
  String zipfilepath = "E:\\test.rar";
  TestTrueZip test = new TestTrueZip();
  test.createDownLoadZipFileByTrueZip(needtozipfilepath, zipfilepath);
 }

 public void createDownLoadZipFileByTrueZip(String needtozipfilepath, String zipFileName) throws Exception {
  File needtozipfile = new File(needtozipfilepath);
  File zipfile = new File(zipFileName);
  FileOutputStream fout = new FileOutputStream(zipfile);
  // ZipOutputStream zout = new ZipOutputStream(fout, "GBK"); //
  // 解决中文问题的关键所在
  ZipOutputStream zout = new ZipOutputStream(fout);
  try {
   for (File in : needtozipfile.listFiles()) {
    ZipEntry ze = new ZipEntry(in.getName());
    zout.putNextEntry(ze);
    FileInputStream fis = new FileInputStream(in);
    try {
     CopyUtils.copy(fis, zout);// 这方法过期
    }
    catch (IOException e) {
     e.printStackTrace();
    }
    finally {
     if (fis != null)
      fis.close();
     zout.closeEntry();
    }
   }
  }
  catch (IOException e) {
   e.printStackTrace();
  }
  finally {
   if (zout != null) {
    zout.close();
    fout.close();
   }
  }
 }
}